When is the Anchorage to Seoul route most turbulent?

See the monthly chart above for exact patterns. Transatlantic and mountain routes are typically roughest in winter (Dec–Mar). Tropical and Caribbean routes peak during monsoon season (Jul–Sep).

What aircraft operates the ANC to GMP route?

The ANC–GMP route is typically operated by Boeing 757 · Airbus A330. Airlines include United, American Airlines, Delta.

Is turbulence on ANC to GMP dangerous?

No — turbulence on the ANC–GMP route is not dangerous to the aircraft. Modern commercial aircraft are built to withstand far more stress than any turbulence encountered. The main risk is to unbelted passengers. Always keep your seatbelt fastened when seated.

How can I check turbulence before my ANC to GMP flight?

Use the Turbulence Forecast app (iOS & Android) for real-time PIREPs, SIGMET alerts, and AI-powered forecasts for the ANC–GMP route. The app shows minute-by-minute turbulence timing for your specific flight date.

ANC to GMP Turbulence Forecast

Q: Is the Anchorage to Seoul flight turbulent?

The ANC–GMP route typically experiences light turbulence.

Q: Which seat is smoothest on ANC to GMP?

Wing seats are smoothest. On a Boeing 757 · Airbus A330, that's rows 14–24. Avoid the rear of the aircraft where turbulence is felt most.

Q: How long is the flight from ANC to GMP?

The ANC to GMP flight takes approximately 7h 50m, covering 3,772 miles (3,278 nautical miles) at a cruising altitude of 37,000 feet.

Is the Anchorage to Seoul flight turbulent? Live forecast & historical patterns.

Live forecast

ANC

→

GMP

Anchorage · Seoul · 7h 50m

37.6

Turb Score

7h 50m

Duration

3,278 nm

Distance

37,000 ft

Cruise Alt.

Light

Typical

⚠️ Light turbulence today

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Typical turbulence along the route

Historical average pattern for ANC–GMP

0h1h2h3h4h5h6h7h 50m

Smooth

Light

Moderate

Heavy

About the ANC–GMP route

The Anchorage to Seoul route spans the Pacific Ocean — one of the longest commercial flight paths in the world at 3,772 miles. The Pacific jet stream creates moderate turbulence, typically around 3–7 hours into the flight. The sheer length of the route means passengers experience varying conditions: calm stretches punctuated by bumpy patches.

The route is served by United, American Airlines, Delta on Boeing 757 · Airbus A330 aircraft, with flights typically cruising at 37,000 feet over a distance of 3,772 miles (3,278 nautical miles).

💡 Tip: Long flight — turbulence varies throughout. Wing seats significantly reduce motion.

Anchorage to Seoul Flight Time

How long is the flight from ANC to GMP?

7h 50m

Flight Time

3,772 mi

Distance

37,000 ft

Cruising Altitude

Boeing 757

Aircraft

The Anchorage (ANC) to Seoul (GMP) flight takes approximately 7h 50m, covering 3,772 miles (3,278 nautical miles) at 37,000 feet. The route is operated by United, American Airlines, Delta. Return flights (GMP to ANC) take a similar time, though westbound transatlantic and transpacific routes are typically 30–60 minutes longer due to headwinds.

Turbulence levels on ANC–GMP

What to expect at each phase of the flight

SmoothDeparture & arrival — climb and descent phases are generally calm

LightMinor bumps — drink stays in your cup, walking feels slightly unsteady

ModerateNoticeable bumps — stay seated with seatbelt on, service may pause

HeavyStrong jolts — unsecured items move, crew seated. Rare but possible

Get minute-by-minute timing for your specific flight

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Best time to fly ANC–GMP

Turbulence by month

Smooth

Light

Moderate

Rough

Best seat on ANC–GMP

Boeing 757

Front

Rows 1–13

Light

✓ Wing

Rows 14–24

Smoothest

Rear

Rows 25+

Rougher

Wing seats are over the center of gravity — least affected by turbulence.

What you'll see in the app

Full forecast, live map & seat recommendations

Similar routes

Other popular routes with turbulence data

See all transpacific flights →

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Turbulence in 2025

Is turbulence getting worse?

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Turbulence Forecast Map

Global turbulence outlook

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Passenger Reports

Kids barely noticed the turbulence — just some mild bumps over the Pacific. Seatbelt sign was on and off a couple times. Nothing dramatic.

Parent traveling with kids · April

The 7h 50m flight had some light shaking around the halfway point. Nothing spilled, nobody panicked. Just normal flying.

Leisure traveler · June

There was some noticeable movement over the Pacific that made me grip the armrest. My seatmate (clearly a regular) didn't even look up from their book. Perspective.

First-time flyer · January

All ANC routes→ All GMP routes→

Frequently asked questions

Is the Anchorage to Seoul flight turbulent?

The ANC–GMP route typically experiences light turbulence. The turbulence score for this route is 37.6/100.

When is turbulence worst on ANC to GMP?

Long flight — turbulence varies throughout. Wing seats significantly reduce motion. Check the turbulence chart above for the typical pattern along this specific route.

Which seat is smoothest on ANC to GMP?

Wing seats are always the smoothest. On a Boeing 757 (the most common aircraft on this route), that's rows 14–24. Avoid the very rear of the aircraft — it amplifies turbulence motion.

How long is the flight from ANC to GMP?

The ANC to GMP flight takes approximately 7h 50m, covering 3,772 miles (3,278 nautical miles).

Which airlines fly ANC to GMP?

The main airlines operating this route are United, American Airlines, Delta, flying Boeing 757 · Airbus A330 aircraft.

Data Sources

PIREP — Pilot reports (PIREPs) submitted via FAA/ICAO systems, aggregated over 12+ months of historical data
SIGMET / AIRMET — Significant Meteorological Information bulletins from NOAA Aviation Weather Center
EDR data — Eddy Dissipation Rate measurements from commercial aircraft (ADS-B derived turbulence intensity)
Seasonal patterns — 5-year rolling averages of turbulence frequency and intensity by month for this route

Scores represent typical conditions. Actual turbulence varies daily. For real-time forecasts, use the Turbulence Forecast app. · About our data